cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A220389 Majority value maps: number of 4 X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 4 X n array.

Original entry on oeis.org

1, 65, 753, 7462, 96772, 1191846, 14300020, 173237008, 2099827058, 25429907185, 308015025891, 3730748101061, 45187679794622, 547324309089088, 6629322362588949, 80295917106362511, 972563175651344849
Offset: 1

Views

Author

R. H. Hardin Dec 13 2012

Keywords

Comments

Row 4 of A220386.

Examples

			Some solutions for n=3
..0..0..1....1..0..0....1..1..1....0..1..1....0..1..1....1..1..1....0..1..1
..1..1..0....0..1..1....0..1..1....1..1..1....1..0..0....0..1..0....1..1..0
..0..0..1....1..1..1....1..0..0....1..0..1....0..0..0....1..1..1....1..0..1
..1..0..0....1..0..1....1..1..1....1..1..1....1..1..1....0..0..0....1..1..1
		

Crossrefs

Cf. A220386.